<template>
  <div id="aCoursesList" class="bg-fa of">
    <!-- 讲师列表 开始 -->

    <section class="container">
      <section class="c-sort-box unBr">
        <div>
          <!-- /无数据提示 开始-->

          <section class="no-data-wrap" v-if="data.total == 0">
            <em class="icon30 no-data-ico">&nbsp;</em>

            <span class="c-666 fsize14 ml10 vam"
              >没有相关数据，小编正在努力整理中...</span
            >
          </section>

          <!-- /无数据提示 结束-->

          <!-- /数据列表 开始-->

          <article v-if="data.total > 0" class="i-teacher-list">
            <ul class="of">
              <li v-for="teachering in data.items" :key="teachering.id">
                <section class="i-teach-wrap">
                  <div class="i-teach-pic">
                    <a
                      :href="'/teacher/' + teachering.id"
                      :title="teachering.name"
                    >
                      <img
                        :src="teachering.avatar"
                        :alt="teachering.name"
                        height="142"
                        hright="142"
                      />
                    </a>
                  </div>

                  <div class="mt10 hLh30 txtOf tac">
                    <a
                      :href="'/teacher/' + teachering.id"
                      :title="teachering.name"
                      class="fsize18 c-666"
                      >{{ teachering.name }}</a
                    >
                  </div>

                  <div class="hLh30 txtOf tac">
                    <span class="fsize14 c-999">{{ teachering.career }}</span>
                  </div>

                  <div class="mt15 i-q-txt">
                    <p class="c-999 f-fA">{{ teachering.intro }}</p>
                  </div>
                </section>
              </li>
            </ul>

            <div class="clear" />
          </article>

          <!-- /数据列表 结束-->
        </div>

        <!-- 公共分页 开始 -->

        <div>
          <div class="paging">
            <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->

            <a
              :class="{ undisable: !data.hasPrevious }"
              href="#"
              title="首页"
              @click.prevent="gotoPage(1)"
              >首</a
            >

            <a
              :class="{ undisable: !data.hasPrevious }"
              href="#"
              title="前一页"
              @click.prevent="gotoPage(data.current - 1)"
              >&lt;</a
            >

            <a
              v-for="page in data.pages"
              :key="page"
              :class="{
                current: data.current == page,
                undisable: data.current == page
              }"
              :title="'第' + page + '页'"
              href="#"
              @click.prevent="gotoPage(page)"
              >{{ page }}</a
            >

            <a
              :class="{ undisable: !data.hasNext }"
              href="#"
              title="后一页"
              @click.prevent="gotoPage(data.current + 1)"
              >&gt;</a
            >

            <a
              :class="{ undisable: !data.hasNext }"
              href="#"
              title="末页"
              @click.prevent="gotoPage(data.pages)"
              >末</a
            >

            <div class="clear" />
          </div>
        </div>
        <!-- 公共分页 结束 -->
      </section>
    </section>

    <!-- /讲师列表 结束 -->
  </div>
</template>

<script>
import teacher from "@/api/teacher";
export default {
  // 讲师分页列表,异步调用
  asyncData({ params, error }) {
    //params：相当于之前 this.$route.params
    //error：错误信息
    return teacher.getPageList(1, 8).then(response => {
      // 打印看一下数据
      // console.log(response.data.data);
      return { data: response.data.data };
    });
  },

  methods: {
    //分页
    gotoPage(page) {
      teacher.getPageList(page, 8).then(response => {
        this.data = response.data.data;
      });
    }
  }
};
</script>
